PURR Registry

Farmer Perspectives on Agricultural Practices, Information, and Weather Variability in the Corn Belt: A Statistical Atlas, Volume 2

10.4231/R79W0CFS

Adam Loy , Amber Mase , Cody Knutson , J. Arbuckle , Jean Mcguire , John Tyndall , Jon Hobbs , Linda S. Prokopy , Lois Morton , Melissa J. Widhalm , Sarah Church , Tonya Haigh , Tricia Knoot

08/04/2015

This atlas is the second in a series presenting data from a survey of Corn Belt farmers conducted in 2012 by the Useful to Usable (http://AgClimate4U.org) and Climate and Corn-based Cropping Systems CAP (http://www.sustainablecorn.org) projects.

Agriculture Climate Change Corn Belt Crop Science Farmers Midwest Social Science Weather Data

Tower Sunflower Polarization (916403)

10.4231/R73F4MJ6

Vern C. Vanderbilt

07/28/2015

The purpose of this experiment was to characterize the polarization of a 100 meter by 100 meter sunflower plot at the Montfavet INRA facility, France

Agriculture Barnes 12-1000 Cimel Crop Science Crops Laboratory for Applications of Remote Sensing LARS radiometer Remote Sensing Soil Science solar illumination spectral observations Sunflower

Farmer Perspectives on Agriculture and Weather Variability in the Corn Belt: A Statistical Atlas, Volume 1

10.4231/R7668B4J

Adam Loy , Amber Mase , Cody Knutson , J. Arbuckle , Jean Mcguire , John Tyndall , Jon Hobbs , Linda S. Prokopy , Lois Morton , Melissa J. Widhalm , Tonya Haigh , Tricia Knoot

08/10/2015

This atlas is the first in a series presenting data from a survey of Corn Belt farmers conducted in 2012 by the Useful to Usable (http://AgClimate4U.org) and Climate and Corn-based Cropping Systems CAP (http://www.sustainablecorn.org) projects.

Agriculture Climate Change Corn Belt Crop Science Farmers Midwest Social Science Weather Data

Phosphorus and Potassium Influence on Alfalfa Nutrition

10.4231/D3251FJ7S

Jeffrey J. Volenec

02/22/2012

Data from several studies on the influence of phosphorus and potassium nutrition on alfalfa. It includes numeric data such as yield, plant mass, plant counts, and tissue concentration of various nutrients

Agronomy Crop Science Forage legumes Nutritive value Soil Fertility Soil Science Winter hardiness Yield components

Purdue Agronomy Farm Soybean Management (781805)

10.4231/R7TH8JNF

Craig S. T. Daughtry

05/04/2015

The purpose of this experiment was to examine the effect of important cultural/management practices on the reflectance of soybeans.

Agriculture Crop Science Crops Exotech 100 Exotech 20C-SW LARS radiometer Remote Sensing Soil Science solar illumination Soybeans spectral observations spectrometer

Purdue Agronomy Farm Calibration (781806)

10.4231/R76T0JK1

Craig S. T. Daughtry

05/04/2015

Calibration data

Agronomy calibration Crop Science Crops Exotech 20C-SW LARS reflectance references Remote Sensing Soil Science solar illumination spectral observations spectrometer

Purdue Agronomy Farm Corn Nitrogen (781802)

10.4231/R7SQ8XBQ

Craig S. T. Daughtry

04/22/2015

The specific objectives of the experiment were to determine the threshold of spectral detection of nitrogen deficiency and determine kind and magnitude of changes in reflectance and thermal response as a function of level of nitrogen nutrition.

Agriculture Corn Crop Science Crops Exotech 100 Exotech 20C-SW LARS radiometer Remote Sensing Soil Science solar illumination spectral observations spectrometer

Purdue Agronomy Farm Corn Potassium and Phosphorous (781803)

10.4231/R7F769HT

Craig S. T. Daughtry

05/04/2015

The purpose of this experiment was to examine the effects of different levels of soil phosphorous and potassium on the reflectance and radiant temperatures of corn.

Agriculture Corn Crop Science Crops Exotech 100 Exotech 20C-SW LARS radiometer Remote Sensing Soil Science solar illumination spectral observations spectrometer